Polyethylene composition with improved stress crack resistance/stiffness relation for blow moulding

The present invention relates to a polyethylene composition wherein (i) the composition has an MFR 2 of 0.05 to 100 g/10min, (ii) the environmental stress crack resistance ESCR measured according to the FNCT at 12 MPa and 23°C in hours and the E-modulus EM measured according to ISO 527-2:1993 satisf...

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Bibliographic Details
Main Authors JOHANSEN, GEIR MORTEN, NORD-VARHAUG, KATRIN, SVEIN, EGGEN
Format Patent
LanguageEnglish
French
German
Published 11.04.2007
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Summary:The present invention relates to a polyethylene composition wherein (i) the composition has an MFR 2 of 0.05 to 100 g/10min, (ii) the environmental stress crack resistance ESCR measured according to the FNCT at 12 MPa and 23°C in hours and the E-modulus EM measured according to ISO 527-2:1993 satisfy the following relation: ESCR ‰¥ - 0.244 EM h / MPa + 416 h
Bibliography:Application Number: EP20050021884